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Published on: August 8, 2022
Familial apical hypertrophic cardiomyopathy with aneurysmal evolution--an unusual form
Maria Isabel Sá1, Sofia Cabral, A Hipólito Reis
1Serviço de Cardiologia, Hospital Geral de Santo António, Porto, Portugal. isabelpsa@portugalmail.pt
Insights
This case study highlights a rare presentation of apical hypertrophic cardiomyopathy mimicking myocardial infarction. Genetic confirmation and familial screening were key to diagnosing this unusual cardiac remodeling.
Area of Science:
- Cardiology
- Genetics
- Medical Imaging
Background:
- Acute coronary syndrome is a common presentation in patients with vascular risk factors.
- Left apical pseudoaneurysm is a rare complication, often associated with myocardial infarction.
Observation:
- A 76-year-old patient presented with symptoms of acute coronary syndrome.
- Initial echocardiogram suggested a left apical pseudoaneurysm in the context of myocardial infarction.
- Atypical apical hypertrophy and familial screening suggested apical hypertrophic cardiomyopathy.
Findings:
- Genetic study confirmed apical hypertrophic cardiomyopathy.
- The patient's presentation evolved into a ventricular aneurysm due to progressive left ventricular apical remodeling.
- This represents a rare phenotypic expression of apical hypertrophic cardiomyopathy.
Implications:
- Early diagnosis of apical hypertrophic cardiomyopathy is crucial, even with atypical presentations.
- Echocardiography plays a vital role in identifying characteristic features of this condition.
- Understanding familial associations aids in early detection and management of hypertrophic cardiomyopathy.
Abstract:
The authors present the case of a 76-year-old patient with multiple vascular risk factors, admitted with acute coronary syndrome. The initial electrocardiogram was compatible with evolving anterior wall myocardial infarction and the echocardiogram showed an image interpreted in this context as left apical pseudoaneurysm. Complementary echocardiographic findings of atypical apical hypertrophy and echocardiographic screening performed on close relatives suggested apical hypertrophic cardiomyopathy as the most likely diagnosis, later confirmed by genetic study. This unusual presentation with evolution to ventricular aneurysm is probably due to progressive left ventricular apical remodeling and an echocardiographic image similar to that described points to the diagnosis of this entity. We emphasize the rarity of this phenotypic expression of apical hypertrophic cardiomyopathy, in particular with familial association.
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